Home / 66,108,608.60-99,162,912.90-40,242,522.20

Finding the Fourth Proportional to 66,108,608.60, 99,162,912.90 and 40,242,522.20

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Solution

The fourth proportional to 66,108,608.60, 99,162,912.90 and 40,242,522.20 is: 60,363,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,108,608.60 : 99,162,912.90 = 40,242,522.20 : x
  2. Step 2: Convert to fraction form
    66,108,608.60/99,162,912.90 = 40,242,522.20/x
  3. Step 3: Cross multiply
    66,108,608.60x = 99,162,912.90 × 40,242,522.20
  4. Step 4: Simplify right side
    66,108,608.60x = 3,990,565,723,794,917
  5. Step 5: Solve for x
    x = 3,990,565,723,794,917/66,108,608.60
  6. Step 6: Final answer
    x = 60,363,783.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.